Bouchard D'Avesnes
Bouchard was born about 1182 in Oisy, Namur, Belgium.  He died in 1244.

 Countess Of Flanders & Hainault Marguerite
Countess Of Flanders & Hainault was born on June 2nd, 1202 in Valenciennes, Nord, France.

 Jean I D'Avesnes
Jean I was born in April 1218 in Houffalize, Luxembourg, Belgium.  He died at the age of 39 on December 24th, 1257 in Valenciennes, Nord, France.

 Baudouin D'Avesnes
Baudouin was born in September 1219 in Houffalize, Luxembourg, Belgium.  He died at the age of 75 on April 10th, 1295.

 Isabell D'Avesnes
Isabell was born about 1220 in Hennegau, Namur, Belgium.

 Isabelle D'Avesnes
Isabelle was born about 1225.